Home / 3,647.12-5,469.88-1,049.36

Finding the Fourth Proportional to 3,647.12, 5,469.88 and 1,049.36

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Solution

The fourth proportional to 3,647.12, 5,469.88 and 1,049.36 is: 1,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.12 : 5,469.88 = 1,049.36 : x
  2. Step 2: Convert to fraction form
    3,647.12/5,469.88 = 1,049.36/x
  3. Step 3: Cross multiply
    3,647.12x = 5,469.88 × 1,049.36
  4. Step 4: Simplify right side
    3,647.12x = 5,739,873.28
  5. Step 5: Solve for x
    x = 5,739,873.28/3,647.12
  6. Step 6: Final answer
    x = 1,573.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.